YUAN Zheng-qiang. Addition, Subtraction, Multiplication, Division, Involution and Factorial of High Effective Locations[J]. Journal of Civil and Environmental Engineering, 2000, 22(5): 107-110.
YUAN Zheng-qiang. Addition, Subtraction, Multiplication, Division, Involution and Factorial of High Effective Locations[J]. Journal of Civil and Environmental Engineering, 2000, 22(5): 107-110. DOI: 10.11835/j.issn.1674-4764.2000.05.022.